Respuesta :

3a² + 4b² = 3×2² + 4×3² = 12 + 36 = 48

Answer: The value of [tex]3a^2+4b^2[/tex] is 48.

Step-by-step explanation:

Since we have given that

[tex]3a^2+4b^2[/tex]

Here, a = 2

b = 3

So, we put the values of a and b in given expression:

So, Value of above expression would be

[tex]3(2)^2+4(3)^2\\\\3\times 4+4\times 9\\\\=12+36\\\\=48[/tex]

Hence, the value of [tex]3a^2+4b^2[/tex] is 48.

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